a, 295 - ( 31 - 22. 52 )
= 295 - [ 31 - ( 2 . 5 )2 ]
= 295 - ( 31 - 102 )
= 295 - ( 31 - 100 )
= 295 - (-69)
= 295 + 69
= 364.
b, 12000 : { 5[ 409 - ( 18 - 9 )] + 1000 }
= 12000 : { 5[ 409 - 9 ] + 1000 }
= 12000 : { 5.400 + 1000 }
= 12000 : { 2000 + 1000 }
= 12000 : 3000
= 4
a: \(=295-\left(31-20\right)^2=295-121=174\)
b: \(=12000:\left[5\cdot\left[409-18+9\right]+1000\right]\)
\(=12000:3000=4\)
a) = 295 - ( 31 - 4. 5)2
= 295 - ( 31 - 20)2
= 295 - 112
= 295 - 121
= 174
b) = 12000 : {5[409 - 9]+1000}
= 12000 : {5. 400 + 1000}
= 12000 : {2000 + 1000}
= 12000 : 3000
= 4
a, 295 - ( 31 - 22. 52 )
= 295 - [ 31 - ( 2 . 5 )2 ]
= 295 - ( 31 - 102 )
= 295 - ( 31 - 100 )
= 295 - (-69)
= 295 + 69
= 364.
b, 12000 : { 5 [ 409 - ( 18 - 9 )] + 1000 }
= 12000 : { 5 [ 409 - 9 ] + 1000 }
= 12000 : { 5.400 + 1000 }
= 12000 : { 2000 + 1000 }
= 12000 : 3000
= 4
